Home / 403,552,404.70-605,328,607.05-219,408,098.20

Finding the Fourth Proportional to 403,552,404.70, 605,328,607.05 and 219,408,098.20

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Solution

The fourth proportional to 403,552,404.70, 605,328,607.05 and 219,408,098.20 is: 329,112,147.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,552,404.70 : 605,328,607.05 = 219,408,098.20 : x
  2. Step 2: Convert to fraction form
    403,552,404.70/605,328,607.05 = 219,408,098.20/x
  3. Step 3: Cross multiply
    403,552,404.70x = 605,328,607.05 × 219,408,098.20
  4. Step 4: Simplify right side
    403,552,404.70x = 132,813,998,458,895,600
  5. Step 5: Solve for x
    x = 132,813,998,458,895,600/403,552,404.70
  6. Step 6: Final answer
    x = 329,112,147.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.